Ludlum Measurements 23, Техническое руководство

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Model 23 & 23-1 Technical Manual
Section 3
Ludlum Measurements, Inc. Page 3-1 August 2017
Specifications
0
Detector:
silicon semiconductor
Measurement Range:
0.001 mSv/h to 999.9 mSv/h (0.0001 R/hr to
99.9 R/hr)
Radiation Detected:
gamma and X-Ray (35 keV to 3 MeV)
Display:
4-digit liquid crystal display, with dose rate, low battery, overlow
Accuracy:
within 10% from 0.01 to 999.9 mSv (1.0 mrem to 99.99 rem)
(
137
Cs)
Linearity:
within 10% (to 100 mSv/h)
Alarm Output:
low, medium, high user-settable volume, and OFF. When
reaching or exceeding the present values – the alarm activates, red LED
lamp flashes, and vibrator activates.
Alarm Volume:
approximately 60 dB
Sensitivity:
approximately 2 cpm per µSv/h (20cpm/mR/hr)
Data Logging:
600 records (optional IR reader required for data
transmission to PC). When the Model 23 is turned off, the accumulative
dose data is automatically deleted.
Default Settings:
Dose alarm threshold: regular alarm 0.5 mSv; pre-alarm 0.3 mSv
Dose rate alarm threshold: regular alarm 4 mSv/h; pre-alarm 2 mSv/h
Overflow:
The message “over” appears.
Temperature Range:
-10 to 40 ˚C (14 to 104 ˚F)
Operating Humidity:
≤90% (non-condensing)
Section
3